<span>A = 4.7 + C
where A represents the students who got A's, and C is the number of hours that the C-grade students spent on homework per week</span>
Solution :
Group Before After
Mean 693.75 743.75
Sd 155.37 143.92
SEM 54.93 50.88
n 8 8
Null hypothesis : The preparation course not effective.
Alternative hypothesis : The preparation course is effective in improving the exam scores.
(after - before)
For# 1 the answer would be
-3/5
for #2 the answer would be
3/4
i hope this helps :)
The 8 percent commission must be at least $1000.
8% = $1000
1% = $125
100% = $12500
Hence, Jim needs to sell $12500 dollars worth of widgets.
The answer selected is the correct answer because all of the other ones are equivalent to each other.
